Ercole M11-034 Super Clamp Black 13-55mm with handle

Manfrotto C1550 Clamp Super Heavy Duty 13/55mm diam Gravity Casted Xta Strong Ver of Super Clamp

The Avenger C1550 Heavy-Duty Super Clamp features a pipe biting surface for high torque resistance. It also has a metal T-handle for sure locking and heavy-duty gravity casting for extra strength. The HD Super Clamp includes attaches to just about anything: poles, posts, pipes, doors, stands, and beams.